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| author |   Ryan Hill <rhill@gentoo.org> | 2013-08-26 05:45:26 +0000 |
|---|---|---|
| committer | Ryan Hill <rhill@gentoo.org> | 2013-08-26 05:45:26 +0000 |
| commit | 56834852f6ed0826f80dc379f977c92daed8d76b (patch) | |
| tree | 47428a89e7db02aba8a8fb16d37c92e22e784495 /4.8.1 | |
| parent | Update gcc 4.8.1 piepatchset to 0.5.7 (diff) | |
| download | gcc-patches-56834852f6ed0826f80dc379f977c92daed8d76b.tar.gz gcc-patches-56834852f6ed0826f80dc379f977c92daed8d76b.tar.bz2 gcc-patches-56834852f6ed0826f80dc379f977c92daed8d76b.zip | |
Add patch for linking errors with -O3 -march=core-avx2 (bug #475482). Respect LDFLAGS in libgcc.
Diffstat (limited to '4.8.1')
| -rw-r--r-- | 4.8.1/gentoo/20_all_libgcc-ldflags.patch | 12 | ||||
| -rw-r--r-- | 4.8.1/gentoo/94_all_pr57777-O3-avx2.patch | 74 | ||||
| -rw-r--r-- | 4.8.1/gentoo/README.history | 4 |
3 files changed, 89 insertions, 1 deletions
diff --git a/4.8.1/gentoo/20_all_libgcc-ldflags.patch b/4.8.1/gentoo/20_all_libgcc-ldflags.patch new file mode 100644 index 0000000..f2ca4aa --- /dev/null +++ b/4.8.1/gentoo/20_all_libgcc-ldflags.patch @@ -0,0 +1,12 @@ +Respect LDFLAGS in libgcc. + +--- a/libgcc/Makefile.in ++++ b/libgcc/Makefile.in +@@ -72,6 +72,7 @@ AR_FLAGS = rc + + CC = @CC@ + CFLAGS = @CFLAGS@ ++LDFLAGS = @LDFLAGS@ + RANLIB = @RANLIB@ + LN_S = @LN_S@ + diff --git a/4.8.1/gentoo/94_all_pr57777-O3-avx2.patch b/4.8.1/gentoo/94_all_pr57777-O3-avx2.patch new file mode 100644 index 0000000..7f01f4c --- /dev/null +++ b/4.8.1/gentoo/94_all_pr57777-O3-avx2.patch @@ -0,0 +1,74 @@ +Linking errors with -O3 -march=core-avx2. + +eg. _randommodule.o: could not read symbols: Bad value + +https://bugs.gentoo.org/475482 +http://gcc.gnu.org/PR57777 + +--- + +commit 3c8f20477b88e933610f6141d99c3927f9733445 +Author: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Wed Jul 3 20:24:19 2013 +0000 + + PR target/57777 + * config/i386/predicates.md (vsib_address_operand): Disallow + SYMBOL_REF or LABEL_REF in parts.disp if TARGET_64BIT && flag_pic. + + * gcc.target/i386/pr57777.c: New test. + + + git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@200650 138bc75d-0d04-0410-961f-82ee72b054a4 +--- + gcc/ChangeLog | 6 ++++++ + gcc/config/i386/predicates.md | 13 +++++++++++-- + gcc/testsuite/ChangeLog | 3 +++ + gcc/testsuite/gcc.target/i386/pr57777.c | 13 +++++++++++++ + 4 files changed, 33 insertions(+), 2 deletions(-) + +--- a/gcc/config/i386/predicates.md ++++ b/gcc/config/i386/predicates.md +@@ -835,9 +835,12 @@ + return false; + + /* VSIB addressing doesn't support (%rip). */ +- if (parts.disp && GET_CODE (parts.disp) == CONST) ++ if (parts.disp) ++ { ++ disp = parts.disp; ++ if (GET_CODE (disp) == CONST) + { +- disp = XEXP (parts.disp, 0); ++ disp = XEXP (disp, 0); + if (GET_CODE (disp) == PLUS) + disp = XEXP (disp, 0); + if (GET_CODE (disp) == UNSPEC) +@@ -849,6 +852,12 @@ + return false; + } + } ++ if (TARGET_64BIT ++ && flag_pic ++ && (GET_CODE (disp) == SYMBOL_REF ++ || GET_CODE (disp) == LABEL_REF)) ++ return false; ++ } + + return true; + }) +--- /dev/null ++++ b/gcc/testsuite/gcc.target/i386/pr57777.c +@@ -0,0 +1,13 @@ ++/* PR target/57777 */ ++/* { dg-do assemble { target avx2 } } */ ++/* { dg-options "-O3 -mavx2" } */ ++/* { dg-additional-options "-fpic" { target fpic } } */ ++ ++void ++foo (unsigned long *x, int *y) ++{ ++ static unsigned long b[2] = { 0x0UL, 0x9908b0dfUL }; ++ int c; ++ for (c = 0; c < 512; c++) ++ x[c] = b[x[c] & 1UL]; ++} diff --git a/4.8.1/gentoo/README.history b/4.8.1/gentoo/README.history index 63f3bf3..d88b3ed 100644 --- a/4.8.1/gentoo/README.history +++ b/4.8.1/gentoo/README.history @@ -1,6 +1,8 @@ -1.1 (pending) +1.1 26 Aug 2013 + 17_all_libitm-Werror.patch + 18_all_libatomic-Werror.patch + + 20_all_libgcc-ldflags.patch + + 94_all_pr57777-O3-avx2.patch 1.0 03 Jun 2013 + 10_all_default-fortify-source.patch |